/*
 * $URL: https://dnsprobe.googlecode.com/svn/trunk/dnsprobe/src/dnsprobe/Application.java $
 * 
 * Copyright (c) 2009, Anonymous
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Anonymous nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY ANONYMOUS ''AS IS'' AND ANY EXPRESS OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
 * EVENT SHALL ANONYMOUS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * 
 */

package dnsprobe;

import java.util.List;

import javax.swing.SwingUtilities;

import dnsprobe.gui.GuiThread;
import dnsprobe.net.nameserver.AccessProvider;
import dnsprobe.resolver.ResolverThread;


/**
 * Initialisisert die Applikation und haelt Referenzen auf alle 
 * benoetigten Daten- und Thread-Objekte.
 * 
 * @author BerndBernhardson
 * @author anon004
 * @author snoop
 * @version $Id: Application.java 101 2009-07-01 15:07:58Z bernhardson@gmx.net $
 *
 */
public class Application
{
	/**
	 * Das Datenobjekt, readonly
	 */
	private static final ApplicationData data;
	
	static
	{
		data = new ApplicationData();
	}
	
	/**
	 * Der GUI-Thread
	 */
	private static GuiThread guiThread;
	
	/**
	 * Der Resolver-Thread
	 */
	private static ResolverThread resolverThread;
	
	/**
	 * Konstruktor
	 */
	public Application()
	{
	}
	
	/**
	 * Liefert das aktuelle Oatenobjekt
	 * 
	 * @return Das Datenobjekt
	 */
	public static ApplicationData getData()
	{
		return data;
	}
	
	/**
	 * Liefert den aktuellen GUI-Thread
	 * 
	 * @return Den aktuellen GUI-Thread
	 */
	public static GuiThread getGuiThread()
	{
		return guiThread;
	}
	
	/**
	 * Liefert den aktuellen Resolver-Thread
	 * 
	 * @return Den aktuellen Resolver-Thread
	 */
	public static ResolverThread getResolverThread()
	{
		return resolverThread;
	}
	
	/**
	 * Initialisiert die Anwendung
	 * 
	 * Laedt alle benoetigten Daten und startet alle weiteren Threads
	 */
	public void start()
	{
		final List<AccessProvider> list;
		
		list = getData().getProviderList();
		
		list.addAll(FileHandler.readNameserverList());
		
		if(list.size() > 0)
		{
			getData().setCurrentProvider(list.get(0));
		}
		
		resolverThread = new ResolverThread();
		resolverThread.start();
		
		guiThread = new GuiThread();
		SwingUtilities.invokeLater(guiThread);
	}
}
